exam
Maths Puzzle
Numerical Ability
(5/x^3-y^3)+(3/x^2+xy+y^2)
Read Solution (Total 0)
exam Other Question
Solve the equation by finding all real roots.
x^3-7x+15x-9=0
i have this
1 -7 15 -9 /(divided by) 1.
x^2-6x+9
(x+1) (x^2-6x+9)
it says factor again and where is the soultion
7x+12>5x+4